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You may or may not agree with the techniques or theory of NPL, it is not everyone's cup of tea and there is a potential to abuse the skills learned for manipulation Well explained though and clarifies theory and the way it works.
I would highly recommend this book to anyone starting off on this subject. Only having watched a few videos on the NLP, which would gloss over the subjects,this book goes in to great detail with real world scenarios. I am absolutely immersed in this book only having read 30% it to date.